Introduction
The reflection of light class 10 quiz is an essential tool for students preparing for SSC, CBSE, and ICSE board exams, as well as for graduate and postgraduate learners seeking to solidify their understanding of optics. This article provides over 100 unique one-liner questions and answers covering key concepts like laws of reflection, types of mirrors, image formation, and more. Designed to be concise, plagiarism-free, and aligned with the latest syllabi, this quiz resource will help students excel in their exams.
Reflection of Light Class 10 Quiz Questions and Answers
- What is the reflection of light?
The bouncing back of light from a surface is called reflection. - What is the first law of reflection?
The angle of incidence equals the angle of reflection. - What is the second law of reflection?
The incident ray, reflected ray, and normal lie in the same plane. - What is a plane mirror?
A flat, smooth surface that reflects light to form virtual images. - What type of image is formed by a plane mirror?
A virtual, erect, and same-sized image. - What is the magnification of a plane mirror?
The magnification is always 1. - What is a spherical mirror?
A mirror with a curved surface, either concave or convex. - What is a concave mirror?
A spherical mirror that curves inward, like a cave. - What is a convex mirror?
A spherical mirror that curves outward, like a dome. - What is the principal axis of a spherical mirror?
A line passing through the center of curvature and pole. - What is the pole of a mirror?
The central point on the mirror’s surface. - What is the center of curvature of a spherical mirror?
The center of the sphere from which the mirror is cut. - What is the radius of curvature?
The distance between the pole and the center of curvature. - What is the focal length of a mirror?
The distance between the pole and the principal focus. - How is focal length related to radius of curvature?
Focal length is half the radius of curvature (f = R/2). - What is the principal focus of a concave mirror?
The point where parallel rays converge after reflection. - What is the principal focus of a convex mirror?
The point where parallel rays appear to diverge after reflection. - What type of image does a concave mirror form when the object is at infinity?
A real, inverted, and highly diminished image. - What type of image does a convex mirror always form?
A virtual, erect, and diminished image. - What is the mirror formula?
1/f = 1/u + 1/v, where f is focal length, u is object distance, and v is image distance. - What is the sign convention for a concave mirror’s focal length?
The focal length is negative. - What is the sign convention for a convex mirror’s focal length?
The focal length is positive. - What is a real image?
An image formed where light rays actually converge. - What is a virtual image?
An image formed where light rays appear to converge. - What is the magnification formula for mirrors?
Magnification (m) = -v/u, where v is image distance and u is object distance. - What does a magnification of -1 indicate?
A real, inverted image of the same size as the object. - What does a magnification greater than 1 indicate?
An enlarged image. - What does a magnification less than 1 indicate?
A diminished image. - Where should an object be placed in a concave mirror to get a real, same-sized image?
At the center of curvature. - Where should an object be placed in a concave mirror to get a virtual, enlarged image?
Between the pole and the principal focus. - What type of mirror is used in a car’s rearview mirror?
A convex mirror. - Why is a convex mirror used in rearview mirrors?
It provides a wider field of view and forms erect, diminished images. - What type of mirror is used in a shaving mirror?
A concave mirror. - Why is a concave mirror used in shaving mirrors?
It forms an erect, magnified, virtual image when the object is close. - What is the angle of incidence for normal incidence on a plane mirror?
Zero degrees. - What is the angle of reflection for normal incidence on a plane mirror?
Zero degrees. - What happens to the size of an image in a plane mirror when the object moves closer?
The image size remains the same as the object size. - What is diffuse reflection?
Reflection from a rough surface, scattering light in multiple directions. - What is specular reflection?
Reflection from a smooth surface, producing a clear image. - What is the nature of the image formed by a plane mirror?
Virtual, erect, and laterally inverted. - What is lateral inversion in a plane mirror?
The left and right sides of the image are reversed. - What type of mirror is used in solar furnaces?
A concave mirror. - Why are concave mirrors used in solar furnaces?
They concentrate parallel rays of sunlight at the focus. - What is the position of the image when an object is at the focus of a concave mirror?
At infinity. - What is the nature of the image when an object is at the focus of a concave mirror?
Real, inverted, and highly enlarged. - What is the position of the image when an object is beyond the center of curvature of a concave mirror?
Between the focus and the center of curvature. - What is the nature of the image when an object is beyond the center of curvature of a concave mirror?
Real, inverted, and diminished. - What is the position of the image when an object is between the focus and center of curvature of a concave mirror?
Beyond the center of curvature. - What is the nature of the image when an object is between the focus and center of curvature of a concave mirror?
Real, inverted, and enlarged. - What type of mirror is used in streetlights to spread light?
A convex mirror. - What is the focal length of a plane mirror?
Infinity. - Why does a plane mirror have an infinite focal length?
It does not converge or diverge light rays. - What is the power of a plane mirror?
Zero, as its focal length is infinite. - What is the power of a lens or mirror?
The reciprocal of its focal length in meters (P = 1/f). - What is the unit of power for a mirror?
Dioptre. - What happens to light rays parallel to the principal axis in a concave mirror?
They converge at the principal focus after reflection. - What happens to light rays parallel to the principal axis in a convex mirror?
They appear to diverge from the principal focus after reflection. - What is the image distance in a plane mirror?
Equal to the object distance, but behind the mirror. - What is the effect of covering half of a plane mirror?
The entire image is still visible, but with reduced brightness. - What type of mirror is used in a dentist’s mirror?
A concave mirror. - Why is a concave mirror used in a dentist’s mirror?
It forms a magnified, erect image for close inspection. - What is the angle between the incident and reflected rays in a plane mirror?
Twice the angle of incidence. - What happens when a plane mirror is rotated by an angle θ?
The reflected ray rotates by an angle of 2θ. - What is the minimum height of a plane mirror to see a full-length image?
Half the height of the observer. - What is the nature of the image formed by a convex mirror when the object is at infinity?
Virtual, erect, and highly diminished. - What is the position of the image in a convex mirror when the object is at infinity?
At the principal focus. - What type of mirror is used in headlights of vehicles?
A concave mirror. - Why are concave mirrors used in vehicle headlights?
They produce a powerful parallel beam when the light source is at the focus. - What is the sign convention for the object distance in mirrors?
Object distance (u) is negative for real objects. - What is the sign convention for a real image in a concave mirror?
Image distance (v) is negative. - What is the sign convention for a virtual image in a convex mirror?
Image distance (v) is positive. - What is the nature of the image when an object is placed at the center of curvature of a convex mirror?
Virtual, erect, and diminished. - What is the position of the image when an object is at the center of curvature of a convex mirror?
Between the pole and the focus. - What happens to the image size in a convex mirror as the object moves closer?
The image size increases but remains diminished. - What is the field of view of a convex mirror?
Wider than that of a plane or concave mirror. - What is the field of view of a plane mirror?
Equal to the observer’s line of sight. - What is the effect of a rough surface on reflection?
It causes diffuse reflection. - What is the effect of a smooth surface on reflection?
It causes specular reflection. - What is the image distance when an object is placed 20 cm from a plane mirror?
20 cm behind the mirror. - What is the nature of the image when an object is placed between the pole and focus of a convex mirror?
Virtual, erect, and diminished. - What is the position of the image when an object is placed between the pole and focus of a convex mirror?
Behind the mirror, between the pole and focus. - What type of mirror is used in periscopes?
A plane mirror. - Why are plane mirrors used in periscopes?
They reflect light without distortion to change its direction. - What is the angle of deviation in a plane mirror?
180 degrees minus twice the angle of incidence. - What happens to the image in a plane mirror if the object is tilted?
The image tilts by the same angle. - What is the nature of the image formed by a concave mirror when the object is at infinity?
Real, inverted, and point-sized. - What is the position of the image when an object is at infinity in a concave mirror?
At the principal focus. - What is the magnification when an object is placed at the focus of a concave mirror?
Infinity, as the image is formed at infinity. - What is the magnification when an object is at the center of curvature of a concave mirror?
-1, indicating a real, inverted, same-sized image. - What happens to the image in a convex mirror as the object moves away?
The image moves closer to the focus but remains diminished. - What is the focal length of a concave mirror with a radius of curvature of 40 cm?
20 cm. - What is the focal length of a convex mirror with a radius of curvature of 30 cm?
15 cm. - What is the image distance for an object placed 30 cm from a concave mirror with a focal length of 10 cm?
15 cm (using the mirror formula). - What is the magnification for an object placed 30 cm from a concave mirror with a focal length of 10 cm?
-0.5 (using m = -v/u). - What is the nature of the image for an object placed 30 cm from a concave mirror with a focal length of 10 cm?
Real, inverted, and diminished. - What is the image distance for an object placed 10 cm from a convex mirror with a focal length of 15 cm?
6 cm (using the mirror formula). - What is the magnification for an object placed 10 cm from a convex mirror with a focal length of 15 cm?
0.6 (using m = -v/u). - What is the nature of the image for an object placed 10 cm from a convex mirror with a focal length of 15 cm?
Virtual, erect, and diminished. - What type of mirror is used in a kaleidoscope?
Plane mirrors. - Why are plane mirrors used in kaleidoscopes?
They create multiple reflections to form symmetrical patterns. - What is the image distance when an object is placed 15 cm from a plane mirror?
15 cm behind the mirror. - What happens to the image in a plane mirror if the mirror is tilted?
The image tilts by twice the angle of the mirror’s tilt. - What is the nature of the image when an object is placed at the pole of a concave mirror?
Virtual, erect, and same-sized. - What is the position of the image when an object is at the pole of a concave mirror?
At the pole, behind the mirror. - What is the effect of increasing the object distance in a concave mirror?
The image size decreases for real images. - What is the effect of increasing the object distance in a convex mirror?
The image size decreases and approaches the focus. - What type of mirror is used in security mirrors at stores?
A convex mirror. - Why are convex mirrors used in security mirrors?
They provide a wide field of view to monitor large areas. - What is the angle of reflection if the angle of incidence is 30 degrees?
30 degrees. - What is the angle between the incident ray and the normal in a plane mirror?
The angle of incidence. - What is the angle of deviation for a 45-degree angle of incidence in a plane mirror?
90 degrees. - What happens to the image in a concave mirror if the object is moved beyond the center of curvature?
The image becomes smaller and moves closer to the focus. - What is the nature of the image when an object is placed at 2f in a concave mirror?
Real, inverted, and same-sized. - What is the position of the image when an object is placed at 2f in a concave mirror?
At 2f (center of curvature). - What is the magnification when an object is placed at 2f in a convex mirror?
Less than 1, indicating a diminished image. - What is the image distance for an object placed 20 cm from a convex mirror with a focal length of 10 cm?
6.67 cm (using the mirror formula). - What is the magnification for an object placed 20 cm from a convex mirror with a focal length of 10 cm?
0.33 (using m = -v/u). - What is the nature of the image for an object placed 20 cm from a convex mirror with a focal length of 10 cm?
Virtual, erect, and diminished. - What type of mirror is used in a torch?
A concave mirror. - Why is a concave mirror used in a torch?
It focuses light into a parallel beam when the source is at the focus. - What is the image distance for an object placed 40 cm from a concave mirror with a focal length of 20 cm?
40 cm (using the mirror formula). - What is the magnification for an object placed 40 cm from a concave mirror with a focal length of 20 cm?
-1 (using m = -v/u). - What is the nature of the image for an object placed 40 cm from a concave mirror with a focal length of 20 cm?
Real, inverted, and same-sized. - What is the image distance for an object placed 15 cm from a convex mirror with a focal length of 20 cm?
8.57 cm (using the mirror formula). - What is the magnification for an object placed 15 cm from a convex mirror with a focal length of 20 cm?
0.57 (using m = -v/u). - What is the nature of the image for an object placed 15 cm from a convex mirror with a focal length of 20 cm?
Virtual, erect, and diminished. - What is the minimum number of plane mirrors needed to form multiple images in a kaleidoscope?
Two. - What is the angle between two plane mirrors in a kaleidoscope to form 5 images?
60 degrees (360/n, where n is the number of images + 1). - What is the effect of a larger radius of curvature on a concave mirror’s focal length?
The focal length increases. - What is the effect of a smaller radius of curvature on a convex mirror’s focal length?
The focal length decreases.
Conclusion
The reflection of light class 10 quiz provided above is a comprehensive resource for SSC, CBSE, and ICSE students, as well as graduate and postgraduate learners. With over 100 unique one-liner questions and answers, this quiz covers essential topics like laws of reflection, mirror types, and image formation, ensuring thorough exam preparation. Practice these questions to boost your confidence and score high in your exams.
Disclaimer
The content provided in this reflection of light class 10 quiz article is intended for educational purposes only. It is designed to assist students in preparing for SSC, CBSE, and ICSE board exams, as well as graduate and postgraduate studies. While every effort has been made to ensure accuracy and alignment with the latest syllabi, the author and publisher are not responsible for any errors or omissions. Students are encouraged to cross-reference with official textbooks and consult teachers for clarification. This content is not a substitute for professional educational guidance.